Home / 421,780.26-582,066.18-230,793.60

Finding the Fourth Proportional to 421,780.26, 582,066.18 and 230,793.60

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Solution

The fourth proportional to 421,780.26, 582,066.18 and 230,793.60 is: 318,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,780.26 : 582,066.18 = 230,793.60 : x
  2. Step 2: Convert to fraction form
    421,780.26/582,066.18 = 230,793.60/x
  3. Step 3: Cross multiply
    421,780.26x = 582,066.18 × 230,793.60
  4. Step 4: Simplify right side
    421,780.26x = 134,337,149,120.45
  5. Step 5: Solve for x
    x = 134,337,149,120.45/421,780.26
  6. Step 6: Final answer
    x = 318,500.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.